天气预报 > 其他 > 怀孕14周胎盘厚度多少
怀孕14周胎盘厚度多少
更新时间: 2020-11-05 00:00:00  

怀孕14周胎盘厚度10mm正常。胎盘是胎儿与母体之间物质交换的重要器官,是人类妊娠期间由胚胎胚膜和母体子宫内膜联合长成的母子间组织结合器官。胎儿在子宫中发育,依靠胎盘从母体取得营养,而双方保持相当的独立性。胎盘还合成多种激素、酶和细胞因子等,以维持正常妊娠。胎盘还是一味中药,称之为紫河车,又叫人胎衣、胞衣、衣胞、胎衣、胎膜。

关键词: 怀孕 胎盘 厚度 多少

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